PartsTable
Technical Data Sheet
Download PDF

N8640-7ALT2PC51 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

N8640-7ALT2PC51: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: ASBESTOS OVERALL, hole_diameter: 0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 10.500 INCHES NOMINAL IN, special_features: THREE HOLES 0.406 IN. DIA IN, bolt_circle_diameter: 9.438 INCHES NOMINAL IN, cross-sectional_thickness: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5330-00-032-4962, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
N8640-7ALT2PC51
NSN: 5330-00-032-4962
FSC: 5330 — Packing and Gasket Materials
CAGE: 14959 — CRANE CO DIV VALVE DIV (USA)
SPECIFICATIONS
materialASBESTOS OVERALL
hole_diameter0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter10.500 INCHES NOMINAL IN
special_featuresTHREE HOLES 0.406 IN. DIA IN
bolt_circle_diameter9.438 INCHES NOMINAL IN
cross-sectional_thickness0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-032-4962
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: N8640-7ALT2PC51 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL THICKNESS: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 10.500 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 9.438 INCHES NOMINAL IN
•
MATERIAL: ASBESTOS OVERALL
•
HOLE DIAMETER: 0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER10.500 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER9.438 INCHES NOMINAL IN
SPECIAL FEATURESTHREE HOLES 0.406 IN. DIA IN
MATERIALASBESTOS OVERALL
HOLE DIAMETER0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES 3
52131-5901-998674ALT2PC51Reference document
Same NSN cross-reference
Reference document — Secondary reference
52MAD1282N18PC113-1423Reference document
Same NSN cross-reference
Reference document — Secondary reference
571-3801-1444715REVAPC113-1423Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
HAZMAT per U.S. Government catalogNo demilitarization required
Ready to buy N8640-7ALT2PC51?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is N8640-7ALT2PC51?
N8640-7ALT2PC51 is a GASKET.
What parts can replace N8640-7ALT2PC51?
There are 3 known substitutes for N8640-7ALT2PC51: 52131-5901-998674ALT2PC51, 52MAD1282N18PC113-1423, 571-3801-1444715REVAPC113-1423. Substitute compatibility should be verified for your specific system.
What is the NSN for N8640-7ALT2PC51?
N8640-7ALT2PC51 is cataloged in the U.S. Government catalog under NSN 5330-00-032-4962. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — N8640-7ALT2PC51